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Figure 1


Fig. 1. Nomarski images of C. elegans embryos during cytokinesis showing furrow ingression or lack of furrowing. Furrowing fails in embryos mutant for zen-4 and depleted of PAR-2 or GPR-1/2 but not in embryos mutant for spd-1 and depleted of PAR-2 or GPR-1/2. Bar, 10 µm. We selected frames in which the furrow has reached the midzone or similar timepoints in embryos that failed to furrow.